{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "description": "Update user-owned inbox tracking state for one record.",
  "properties": {
    "lastReadAt": {
      "description": "RFC 3339 timestamp to store in `tracking.last_read_at`.",
      "type": "string"
    },
    "threadId": {
      "description": "Exact inbox filename under `$CODEX_HOME/inbox`, for example `thread__20260319T170500Z__slack__C01234567__1712345678.000000.json`.",
      "type": "string"
    }
  },
  "required": [
    "lastReadAt",
    "threadId"
  ],
  "title": "InboxUpdateParams",
  "type": "object"
}